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(F)=-F4-3F^2+6F^2+8F
We move all terms to the left:
(F)-(-F4-3F^2+6F^2+8F)=0
We get rid of parentheses
3F^2-6F^2+F4-8F+F=0
We add all the numbers together, and all the variables
-3F^2+F^4-7F=0
We do not support eFpression: F^4
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